 Perkins had a mixed season in 2007, with some outstanding results such as qualifying in the Top 10 at Winton Raceway, coupled with many disappointing race exits whilst running in strong positions.Although he was generally keeping pace with the more highly rated Shane Price, Jack's performances behind the wheel were suffering towards the end of long stints behind the wheel.It was later found that Perkins was suffering from Type One Diabetes, as described further down in this article.